P155B 2017 Chevrolet Silverado Code - Cruise Control Set/Coast Switch 2 Circuit
Quick Answer
The P155B diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado refers to an issue with the Cruise Control Set/Coast Switch 2 Circuit. Common causes include Faulty cruise control switch, Damaged wiring or connectors in the Cruise Control Set/Coast Switch 2 Circuit, Malfunctioning cruise control module. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P155B 2017 Chevrolet Silverado indicates Cruise Control Set/Coast Switch 2 Circuit.
- Common causes
- Common causes include Faulty cruise control switch, Damaged wiring or connectors in the Cruise Control Set/Coast Switch 2 Circuit, Malfunctioning cruise control module.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P155B 2017 Chevrolet Silverado Description
The P155B diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado refers to an issue with the Cruise Control Set/Coast Switch 2 Circuit. This code indicates that there is a problem with the electrical circuit associated with the cruise control system in the vehicle. The cruise control system allows the driver to set a desired speed for the vehicle to maintain automatically, reducing the need for constant throttle input. The Cruise Control Set/Coast Switch 2 Circuit specifically controls the function of setting the cruise control speed and coasting when the system is engaged.
Common Causes of P155B 2017 Chevrolet Silverado
- Faulty cruise control switch.
- Damaged wiring or connectors in the Cruise Control Set/Coast Switch 2 Circuit.
- Malfunctioning cruise control module.
- Corrosion or poor connections in the electrical system related to the cruise control.
- Issues with the vehicle's computer system that controls the cruise control function.
Symptoms of P155B 2017 Chevrolet Silverado
- Inability to set or maintain a constant speed using the cruise control system.
- Cruise control system not engaging or disengaging properly.
- Illumination of the cruise control warning light on the dashboard.
- Erratic behavior of the vehicle's speed when cruise control is activated.
How to Fix P155B 2017 Chevrolet Silverado
- Begin by conducting a thorough inspection of the cruise control system, focusing on the Cruise Control Set/Coast Switch 2 Circuit.
- Use a multimeter to test the continuity of the wiring and connectors in the circuit to identify any faults.
- Check the cruise control switch for proper functionality and replace if necessary.
- Inspect the cruise control module for any signs of damage or malfunction and replace if needed.
- Clear the DTC from the vehicle's computer system after completing the repairs and test the cruise control system to ensure proper operation.
Cost to Fix P155B 2017 Chevrolet Silverado
The typical repair costs for addressing the P155B code on a 2017 Chevrolet Silverado can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts for this repair could range from $100 to $300, while labor costs could add another $100 to $200 to the total bill. Overall, the total repair cost for resolving this cruise control circuit issue may fall between $200 and $500. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate based on your location and vehicle specifics.
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Frequently Asked Questions about P155B 2017 Chevrolet Silverado Code
1. What does the OBDII code P155B mean in a 2017 Chevrolet Silverado?
P155B indicates an issue with the Cruise Control Set/Coast Switch 2 Circuit, which may affect the operation of the cruise control system.
2. What are common symptoms of code P155B in a Chevrolet Silverado?
Symptoms include the cruise control system not engaging, being unable to set or adjust speed, or the cruise control light staying off.
3. What causes the P155B code to appear?
Common causes include a faulty cruise control switch, damaged wiring or connectors in the switch circuit, or an issue with the cruise control module.
4. Can I still drive my Silverado with a P155B code?
Yes, you can still drive the vehicle, but the cruise control system may not work properly, which could affect convenience during highway driving.
5. How do you diagnose the P155B code in a Chevrolet Silverado?
Diagnosis involves using a scan tool to confirm the code, inspecting the cruise control switch and circuit wiring for damage, and testing the switch for proper functionality.
6. How can I fix the P155B code on my Silverado?
Repairs may include replacing the cruise control switch, repairing damaged wiring or connectors, or resetting the code after addressing the issue.
7. Is the P155B code related to the throttle system in a Silverado?
No, it specifically pertains to the cruise control switch circuit and does not directly affect the throttle system.
8. How much does it cost to repair a P155B code in a Chevrolet Silverado?
Repair costs can vary, but replacing a cruise control switch typically ranges between $50 and $200, excluding labor costs.
9. Can a faulty cruise control switch trigger other OBDII codes?
Yes, a malfunctioning cruise control switch may trigger related codes, such as those affecting cruise control or vehicle speed sensors.
10. Will clearing the P155B code fix the issue?
Clearing the code will temporarily remove it, but the underlying problem must be repaired to prevent the code from returning.
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